What is this?The RFID ID card is widely used for identification, such as door entry access control systems, residential property elevators, parking lot management, public transportation, hotel management, etc.What will I get?Color: Black, Blue, Red, YellowMaterial: ABSShape: OvalApplicable Frequency: 125KHzBody Size: 36x29x5.6mm / 1.42x1.14x0.22 inch (L*W*T)Package Includes (20pcs): 5 x Key Fobs For Each ColorAre there any advantages of the product?This proximity ID token tag has characteristics of small appearance, not fade, waterproof, easy to carry, can be hung on the key, durable and long service life.How to use it?The 125KHz RFID card only can be read, and can not be reprogrammed or rewritten.
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